Object-based Image classification in QGIS || OBIA !! || A complete Tutorial

Object-based image analysis (OBIA) involves pixels first being grouped into objects based on either spectral similarity or an external variable such as ownership, soil or geological unit.An Object Based Image Analysis (OBIA) approach to image classification segments an image into homogenous spectral regions.

This differs from standard image analysis methods that classify each pixel in isolation; the OBIA approach generally produces a cleaner map product, more meaningful to human users.

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